nspr: Memory allocation issue related to PR_*printf functions
Published Aug 7, 2016
8.6
HIGHCVSS 3.0
EPSS 3.13%
Description
Multiple integer overflows in io/prprf.c in Mozilla Netscape Portable Runtime (NSPR) before 4.12 allow remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a long string to a PR_*printf function.
Affected products
No data.
- ≤ 4.11
No data.
Red Hat Enterprise Linux 5
nspr
Will not fix
Red Hat Enterprise Linux 6
nspr
Will not fix
Red Hat Enterprise Linux 7
nspr
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | nspr | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | nspr | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | nspr | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.13% (0.03126) | 87.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.74% (0.02738) | 84.17th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.82% (0.00823) | 72.79th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.55% (0.02548) | 90.58th | v3 (v2023.03.01) |
| Aug 20, 2023 | 2.55% (0.02548) | 88.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.52% (0.02522) | 88.47th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (11)
- http://www.securityfocus.com/bid/92385 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1036590 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-3023-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-1951 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1174015 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1311126 Issue Tracking
- https://groups.google.com/forum/#!topic/mozilla.dev.tech.nspr/dV4MyMsg6jw
- https://groups.google.com/forum/message/raw?msg=mozilla.dev.tech.nspr/dV4MyMsg6jw/hhWcXOgJDQAJ mailing-listx_refsource_MLISTMailing List
- https://hg.mozilla.org/projects/nspr/rev/96381e3aaae2 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-1951
- https://www.cve.org/CVERecord?id=CVE-2016-1951
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/92385 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1036590 | vdb-entryx_refsource_SECTRACK | |
| http://www.ubuntu.com/usn/USN-3023-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2016-1951 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1174015 | x_refsource_CONFIRMIssue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1311126 | Issue Tracking | |
| https://groups.google.com/forum/#!topic/mozilla.dev.tech.nspr/dV4MyMsg6jw | ||
| https://groups.google.com/forum/message/raw?msg=mozilla.dev.tech.nspr/dV4MyMsg6jw/hhWcXOgJDQAJ | mailing-listx_refsource_MLISTMailing List | |
| https://hg.mozilla.org/projects/nspr/rev/96381e3aaae2 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-1951 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-1951 |
Change history (0)
No recorded changes yet.